Air exchange device for refrigerated chamber
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United States of America Patent
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-
May 30, 2017
Grant Date -
Nov 14, 2013
app pub date -
Jan 17, 2012
filing date -
Jan 24, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A refrigeration unit is provided for conditioning air within a refrigerated chamber for housing perishable goods having an improved air exchange device for selectively admitting fresh air into the refrigerated chamber while simultaneously venting air from within the refrigerated chamber. The air exchange device includes a tubular member having a first chamber and a second chamber isolated from first chamber, the first chamber having an inlet in flow communication with a fresh air source and an outlet opening in flow communication with the refrigerated chamber on a suction side of the evaporator, and the second chamber having an inlet in flow communication with the refrigerated chamber in a discharge side of evaporator fan and an outlet opening in flow communication with a space exterior of the refrigerated chamber.
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